Vassar College Digital Library

Vassar Scholarship

Vassar Scholarship, the institutional repository formerly known as Digital Window, reflects the research and scholarly output of the Vassar College community.  It provides access to a variety of collections, including senior theses and projects across a wide range of disciplines.

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Vassar Scholarship

Armstrong's Axioms and Navigation Strategies

Publication Date
2018-February-02
Document Type
conference
Authors
Deuser, Kaya
Naumov, Pavel
Department or Program
Computer Science Department
Document Type
Conference
Abstract

The paper investigates navigability with imperfect information. It shows that the properties of navigability with perfect recall are exactly those captured by Armstrong's axioms from database theory. If the assumption of perfect recall is omitted, then Armstrong's transitivity axiom is...

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Vassar Scholarship

Automatic control: the vertebral column of dogfish sharks behaves as a continuously variable transmission with smoothly shifting functions

Publication Date
2016-July-07
Document Type
article
Authors
Marianne E. Porter
Ewoldt, Randy H.
Long, John H., Jr.
Department or Program
Biology Department
Cognitive Science Department
Document Type
Article
Abstract

During swimming in dogfish sharks, Squalus acanthias, both the intervertebral joints and the vertebral centra undergo significant strain. To investigate this system, unique among vertebrates, we cyclically bent isolated segments of 10 vertebrae and nine joints….

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